[All remote jobs](https://jobicy.com/jobs.md)[![Apollo.io logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2022/01/f3c639242c4d1f4cb9c0730ac3842a72.jpeg)](https://jobicy.com/company/apollo-io.md)[Apollo.io](https://jobicy.com/company/apollo-io.md) # Senior Software Engineer, Growth Review the role, location requirements, compensation details, and application process before deciding whether this opportunity fits your next career move. [Apply for this job](#job-application)[View company](https://jobicy.com/company/apollo-io.md)ShareRemote from[Poland](https://jobicy.com/job-region/poland.md)SalaryUndisclosedDepartment[Software Engineering](https://jobicy.com/categories/engineering.md)EmploymentFull TimeExperienceSeniorPublished18 Oct 2026Apply before17 Nov 2026Listing views41Application actions3Application toolkit ## Make your next move. Prepare your resume, explore your fit, and draft a cover letter for this opportunity. AI Summary ## The role, at a glance. Apollo.io is seeking a senior full-stack engineer for its Growth team, focused on experimentation, acquisition and retention funnels, onboarding, personalization, and scalable product systems. The role combines hands-on development in Ruby on Rails, React, TypeScript, Node.js, and Python with analytics instrumentation and A/B testing. The engineer will partner closely with Product, Design, Marketing, and Data Science while owning technical quality, delivery, and measurable growth outcomes. This permanent remote role in Poland requires at least eight years of large-scale frontend or full-stack engineering experience, strong product judgment, and an AI-native approach to development productivity. ## Role DNA A quick view of the complexity, pace, ownership and collaboration implied by the job description. ### Job Complexity 5/5EasyHard ### Pace & Pressure 5/5RelaxedFast-paced ### Autonomy Level 5/5GuidedFull ownership ### Communication Load 5/5IndependentCollaborative AI insightThis is a senior, cross-functional growth engineering role requiring deep full-stack expertise, experimentation rigor, cloud experience, and ownership of high-impact product metrics. The candidate must operate effectively amid ambiguity while delivering rapid iterations without sacrificing scalability, reliability, or UX quality. ## Salary analysis Estimated compensation compared with the broader US market for similar roles. Estimated job median (per year)Market rate$90,000US market range (per year)$70k–$115k0$126.50k AI insightThe yearly pay period is inferred from the job context; it was not explicitly stated by the employer. No employer compensation was disclosed. The annual USD figures are AI estimates for a senior growth-focused software engineer working remotely from Poland; yearly cadence is inferred from the permanent full-time employment context. ## Core skills Skills and capabilities most closely associated with this opportunity. [Ruby on Rails](https://jobicy.com/jobs?search_keywords=Ruby%20on%20Rails.md)[React.js](https://jobicy.com/jobs?search_keywords=React.js.md)[TypeScript](https://jobicy.com/jobs?search_keywords=TypeScript.md)[JavaScript ES6](https://jobicy.com/jobs?search_keywords=JavaScript%20ES6.md)[Redux](https://jobicy.com/jobs?search_keywords=Redux.md)[Node.js](https://jobicy.com/jobs?search_keywords=Node.js.md)[Python](https://jobicy.com/jobs?search_keywords=Python.md)[AWS](https://jobicy.com/jobs?search_keywords=AWS.md)[GCP](https://jobicy.com/jobs?search_keywords=GCP.md)[REST APIs](https://jobicy.com/jobs?search_keywords=REST%20APIs.md)[A/B testing](https://jobicy.com/jobs?search_keywords=AB%20testing.md)[Product analytics](https://jobicy.com/jobs?search_keywords=Product%20analytics.md)[Growth experimentation](https://jobicy.com/jobs?search_keywords=Growth%20experimentation.md)[Terraform](https://jobicy.com/jobs?search_keywords=Terraform.md)[Kubernetes](https://jobicy.com/jobs?search_keywords=Kubernetes.md) Sample interview questionsDescribe a growth experiment you engineered from hypothesis through measurement and rollout.I would begin by defining the target behavior, success metric, guardrail metrics, and audience. I would implement the experiment behind a feature flag, ensure event instrumentation is validated, analyze statistical and segment-level results, and then either roll out, iterate, or retire the treatment based on impact and risk. How would you design reliable instrumentation for an onboarding funnel? I would define a consistent event taxonomy with stable names, user and account identifiers, timestamps, experiment assignments, and relevant properties. I would add client and server-side validation where appropriate, monitor event volume and schema changes, and reconcile critical conversion events with backend source-of-truth data. How do you balance rapid experimentation with maintainable engineering standards? I use lightweight but explicit technical boundaries: feature flags, reusable experiment components, documented assumptions, tests around critical paths, and clear cleanup ownership. Fast experiments should be reversible and observable; successful ones are then hardened, simplified, and incorporated into the product architecture. Tell us how you would improve a slow React experience used by a key conversion funnel. I would first profile the page to identify whether the bottleneck is rendering, network activity, bundle size, or backend latency. Based on findings, I might reduce unnecessary renders, virtualize large lists, lazy-load noncritical code, optimize API payloads, cache appropriate requests, and measure the resulting effect on both performance and conversion. How have AI development tools improved your software delivery workflow? I use AI tools to accelerate routine implementation, generate test cases, investigate errors, summarize unfamiliar code paths, and draft documentation. I validate all output through code review, tests, security checks, and domain reasoning, treating AI as a productivity aid rather than a substitute for engineering judgment. Opportunity details ## About this role. [Apollo.io](http://apollo.io/) is the leading go-to-market solution for revenue teams, trusted by over 500,000 companies and millions of users globally, from rapidly growing startups to some of the world’s largest enterprises. Founded in 2015, the company is one of the fastest growing companies in SaaS, raising approximately $250 million to date and valued at $1.6 billion. [Apollo.io](http://apollo.io/) provides sales and marketing teams with easy access to verified contact data for over 210 million B2B contacts and 35 million companies worldwide, along with tools to engage and convert these contacts in one unified platform. By helping revenue professionals find the most accurate contact information and automating the outreach process, [Apollo.io](http://apollo.io/) turns prospects into customers. Apollo raised a series D in 2023 and is backed by top-tier investors, including Sequoia Capital, Bain Capital Ventures, and more, and counts the former President and COO of Hubspot, JD Sherman, among its board members. **This is a Permanent role (“Umowa o pracę”) and not a B2B contract** As a Senior Software Engineer on the Growth team, you will be a critical part of our growing company, working at the intersection of engineering, product, marketing, and data science to accelerate product growth through rapid experimentation, data analysis, and scalable technical solutions. You’ll implement and drive best practices in technology, architecture, and process while optimizing funnels, automating growth loops, and shipping features that drive measurable impact. You’ll have the chance to work in an open and collaborative environment, receive and give hands-on mentorship, and have opportunities to grow and accelerate your career. You love both learning and teaching, enjoy working cross-functionally to solve hard problems, and strive for quality — obsessing over automation, performance, and squashing any bugs that sneak through. Our tech stack: Ruby/RoR, React.js, TypeScript, Redux, Node.js, Python, MongoDB, Elasticsearch, Ansible, Terraform, Grafana, Kibana, Docker, Kubernetes, AWS/GCP, GitHub Actions. ### Daily Adventures and Responsibilities * Develop and execute engineering strategies that enable rapid experimentation and data-driven decision-making * Collaborate cross-functionally with Product, Design, Marketing, Data Science, and Engineering to optimize key growth metrics and contribute to core product initiatives * Architect and build scalable systems that support growth initiatives, such as onboarding flows, personalization engines, and viral loops * Implement A/B testing and data instrumentation to ensure accurate tracking and measurement of experiments * Leverage automation and machine learning to optimize user engagement, reduce churn, and personalize user experiences * Produce clean, well-structured, well-documented code and implement pixel-perfect designs that work across browsers, per spec * Help maintain code quality, organization, automation, and continuous delivery * Ensure technical excellence through best practices in performance optimization, security, and scalability * Effectively communicate development progress or blockers to the product lead, engineering manager, and other stakeholders * Work effectively as part of a large global team; attend and engage in stand-ups, team meetings, and manager 1:1s * Give and receive constructive feedback and praise ### Competencies * Proactively acts without being told what to do; identifies areas of improvement and drives best practices to deliver high-quality, performant, scalable solutions * Takes ownership over everything shipped * Communicates effectively, clearly, and concisely — technical and non-technical, written and verbal — and actively listens to ensure understanding * Helps teammates overcome obstacles, resolve blockers, and complete work; shares credit where due * Actively seeks out and acts on feedback as a tool for growth * Confident in owning their role and bringing creative ideas to users * Excellent leadership and stakeholder management skills * Comfort with ambiguity and a bias toward action; obsession with metrics (LTV, CAC, retention) and rapid iteration ### Skills & Relevant Experience * Proven experience leveraging AI tools to enhance software development (code generation, debugging, productivity optimization), with fluency integrating AI-driven solutions into your workflow and a willingness to stay current with emerging AI technologies * BS in Computer Science, or equivalent * Minimum 8 years of industry experience in frontend or full-stack development, building large-scale applications * Proficiency in JavaScript (ES6)/TypeScript, React, Redux, HTML, CSS, and at least one backend language (Ruby/RoR, Python, or Node.js) * Experience with cloud infrastructure (AWS/GCP) and REST APIs * Experience with analytics tools (Amplitude, Mixpanel, Google Analytics) and A/B testing platforms (e.g., Optimizely, LaunchDarkly, Segment) * Familiarity with growth frameworks (e.g., Pirate Metrics, viral loops) * Strong UX and product sense, with the ability to negotiate the right MVP * Strong attention to detail; interest in building UI with performance, accessibility, and scalability in mind ### Nice-to-Haves * Experience with growth at a startup or scaling product * Knowledge of SEO, CRM tools (Braze, HubSpot), or marketing automation ### We are AI Native Apollo.io is an AI-native company built on a culture of continuous improvement. We’re on the front lines of driving productivity for our customers—and we expect the same mindset from our team. If you’re energized by finding smarter, faster ways to get things done using AI and automation, you’ll thrive here. ### Why You’ll Love Working at Apollo At Apollo, we’re driven by a shared mission: to help our customers unlock their full revenue potential. That’s why we take extreme ownership of our work, move with focus and urgency, and learn voraciously to stay ahead. We invest deeply in your growth, ensuring you have the resources, support, and autonomy to own your role and make a real impact. Collaboration is at our core—we’re all for one, meaning you’ll have a team across departments ready to help you succeed. We encourage bold ideas and courageous action, giving you the freedom to experiment, take smart risks, and drive big wins. If you’re looking for a place where your work matters, where you can push boundaries, and where your career can thrive—Apollo is the place for you. Learn more [here!](https://www.apollo.io/we-are-apollo) Show more [Apply now >](https://jobicy.com/jobs/155618-senior-software-engineer-growth-2.md) > Annual salary information is not provided for this position. 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